CA2139093C - Color picture tube with reduced primary and secondary moire - Google Patents

Color picture tube with reduced primary and secondary moire

Info

Publication number
CA2139093C
CA2139093C CA002139093A CA2139093A CA2139093C CA 2139093 C CA2139093 C CA 2139093C CA 002139093 A CA002139093 A CA 002139093A CA 2139093 A CA2139093 A CA 2139093A CA 2139093 C CA2139093 C CA 2139093C
Authority
CA
Canada
Prior art keywords
tie
bars
mask
screen
lines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002139093A
Other languages
English (en)
French (fr)
Other versions
CA2139093A1 (en
Inventor
Fabrizio Berton
Francesco Di Giamberardino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Videocolor SpA
Original Assignee
Videocolor SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Videocolor SpA filed Critical Videocolor SpA
Publication of CA2139093A1 publication Critical patent/CA2139093A1/en
Application granted granted Critical
Publication of CA2139093C publication Critical patent/CA2139093C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/06—Screens for shielding; Masks interposed in the electron stream
    • H01J29/07—Shadow masks for colour television tubes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/07—Shadow masks
    • H01J2229/0727—Aperture plate
    • H01J2229/075—Beam passing apertures, e.g. geometrical arrangements

Landscapes

  • Electrodes For Cathode-Ray Tubes (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CA002139093A 1994-01-14 1994-12-23 Color picture tube with reduced primary and secondary moire Expired - Fee Related CA2139093C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI94A000036 1994-01-14
ITMI940036A IT1269426B (it) 1994-01-14 1994-01-14 Tubo per la riproduzione di immagini a colori, con ridotta marezzatura primaria e secondaria
US08/345,429 US5525858A (en) 1994-01-14 1994-11-21 Color picture tube with reduced primary and secondary moire

Publications (2)

Publication Number Publication Date
CA2139093A1 CA2139093A1 (en) 1995-07-15
CA2139093C true CA2139093C (en) 1999-06-01

Family

ID=26331083

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002139093A Expired - Fee Related CA2139093C (en) 1994-01-14 1994-12-23 Color picture tube with reduced primary and secondary moire

Country Status (4)

Country Link
US (1) US5525858A (it)
JP (1) JP3167564B2 (it)
CA (1) CA2139093C (it)
IT (1) IT1269426B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9506356A (pt) * 1994-09-07 1997-09-16 Philips Electronics Nv Tubo de raios catódicos colorido e dispositivo de exibição
US6300980B1 (en) * 1997-02-19 2001-10-09 Compaq Computer Corporation Computer system design for distance viewing of information and media and extensions to display data channel for control panel interface
KR20010089760A (ko) * 1999-11-04 2001-10-08 요트.게.아. 롤페즈 개선된 슬롯형 마스크를 구비한 음극선관
KR100403703B1 (ko) * 2000-01-28 2003-11-01 삼성에스디아이 주식회사 모아레가 개선된 음극선관
KR20020001884A (ko) * 2000-03-20 2002-01-09 요트.게.아. 롤페즈 개선된 슬롯 형성된 마스크를 구비한 ｃｒｔ
US6836062B2 (en) * 2002-05-14 2004-12-28 Samsung Sdi Co., Ltd. Cathode ray tube having color selection apparatus

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5347658B1 (it) * 1969-01-24 1978-12-22
JPS4826175B1 (it) * 1969-02-17 1973-08-07
NL7302367A (it) * 1973-02-21 1974-08-23
US4210842A (en) * 1975-09-10 1980-07-01 Hitachi, Ltd. Color picture tube with shadow mask
US4583022A (en) * 1984-05-31 1986-04-15 Rca Corporation Color picture tube having shadow mask with specific curvature and column aperture spacing
NL8500734A (nl) * 1985-03-14 1986-10-01 Philips Nv Kleurenbeeldbuis.
JP2531214B2 (ja) * 1987-12-17 1996-09-04 三菱電機株式会社 シャドウマスク形カラ―受像管
US5030881A (en) * 1990-07-02 1991-07-09 Rca Licensing Corporation Color picture tube with shadow mask having improved aperture border
IT1254811B (it) * 1992-02-20 1995-10-11 Videocolor Spa Tubo di riproduzione di immagini a colori, del tipo a maschera d'ombra, con un effetto di marezzatura ridotto.

Also Published As

Publication number Publication date
JPH07262933A (ja) 1995-10-13
ITMI940036A1 (it) 1995-07-14
ITMI940036A0 (it) 1994-01-14
CA2139093A1 (en) 1995-07-15
US5525858A (en) 1996-06-11
IT1269426B (it) 1997-04-01
JP3167564B2 (ja) 2001-05-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed